/**
 * axios二次封装
 */
import axios from 'axios'
import config from '../config'
import { ElMessage }from 'element-plus'
import router from '../router'
import storage from './storage'

const TOKEN_INVALID = 'Token认证失败,请重新登陆!';
const NETWORK_ERROR = '网络请求异常,请稍后重试!';

/**
 * 创建axios实例对象,添加全局配置
 */
const service = axios.create({
    baseURL: config.baseApi,
    timeout:8000
})

/**
 * 请求拦截
 */
service.interceptors.request.use((req) => {
    const headers = req.headers;
    // const token  = storage.getItem('userInfo').token;
    const token  = 'whosyourdady';
    if (!headers.Authorization) headers.Authorization = 'Bearer ' + token;
    return req;
})


/**
 * 响应拦截
 */
 service.interceptors.response.use((res) => {
     const { code, data, msg } = res.data;
     if (code === 200) {
        return data
     } else if (code === 40001) {
        ElMessage.error(TOKEN_INVALID);
         setTimeout(() => {
            router.push('login')
         },1500)
         return Promise.reject(TOKEN_INVALID)
     } else if (code ===0) {
        return data //TODO:mock数据code有时候为0，也需要数据，所以处理一下，后期换成真实api会删除这里
     } else {
        ElMessage.error(msg || NETWORK_ERROR);
        return Promise.reject(msg || NETWORK_ERROR)
    }
 })

 /**
  * 请求核心函数
  * @param {*} options请求配置
  */
function request(options) {
    options.method = options.method || 'get'
    if (options.method.toLowerCase() === 'get') {
        options.params = options.data
    }
    let isMock = config.mock; //防止我们多人开发的时候，有同事不屑mock:false,这样会导致还是去请求了Mock数据
    if(typeof options.mock != 'undefined'){
        isMock = options.mock;
    }

    if (config.env === 'prod') {
        service.defaults.baseURL = config.baseApi
    } else {
        service.defaults.baseURL = isMock ? config.mockApi:config.baseApi
    }
    
     return service(options)
}
 
['get', 'post', 'delete', 'patch'].forEach((item) => {
    request[item] = (url, data, options) => {
        return request({
            url,
            data,
            method: item,
            ...options
        })
    }
})

export default request;